Crowds on the beach during a heatwave in Brighton, UK. Melanie Hobson / Shutterstock.com The Labour Party leadership drama will ramp up next week after Andy Burnham secured a return to Westminster with a comfortable victory in the Makerfield by-election. Burnham’s fellow challenger Wes Streeting has suggested a leadership contest could be triggered after the weekend if Starmer fails to set out a timetable for his departure, but Starmer is, for now, standing firm and vowing to fight on. If that holds through the weekend, we could see more Cabinet resignations in the coming days, particularly from allies of Burnham,…